Germination Guide

Click on a species name below to see it's germination tips.
Search for a genus or species by entering specific words or parts of words.
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Baccharis magellanica

K

Sow @ 10°C. Most species for which we suggest this temperature will also germinate at 20°C, but prefer the cooler temperature for sturdy growth.
Baileya multiradiata

A

Sow @ 20°C. Seed germinates within 3 months.
Ballota acetabulosa

A

Sow @ 20°C. Seed germinates within 3 months.
Ballota pseudodictamnus

A

Sow @ 20°C. Seed germinates within 3 months.
Balsalm alpinum

A

Sow @ 20°C. Seed germinates within 3 months.
Balsamorhiza sagittata

J

Sow @4°C for 3 weeks, then place @20°C.
Banksia ericifolia

J

Sow @4°C for 3 weeks, then place @20°C.

*

This species needs special care as described.
heat in oven at 125°C to open cone, then plunge in cold water immediately and soak for 1 day, dry and shake to remove seeds
Baptisia 'Dutch Chocolate'

*

This species needs special care as described.

7

Requires soaking. Place in warm water until seeds swell, usually 24-48 hours. Discard floaters and the water used for soaking. See https://youtu.be/dhL57pqnHHQ

A

Sow @ 20°C. Seed germinates within 3 months.
subject to damping off; scarification leads to rotting; grow in pot for 1 year before transplanting in garden
Baptisia 'Solar Flare'

*

This species needs special care as described.

7

Requires soaking. Place in warm water until seeds swell, usually 24-48 hours. Discard floaters and the water used for soaking. See https://youtu.be/dhL57pqnHHQ

A

Sow @ 20°C. Seed germinates within 3 months.
fresh seed does not require soaking, but stored seed should be soaked in boiling water until it cools; See http://www.gardenmyths.com/germination-of-baptisia-australis-seeds
Baptisia hybrid

*

This species needs special care as described.

7

Requires soaking. Place in warm water until seeds swell, usually 24-48 hours. Discard floaters and the water used for soaking. See https://youtu.be/dhL57pqnHHQ

A

Sow @ 20°C. Seed germinates within 3 months.
subject to damping off; scarification leads to rotting; grow in pot for 1 year before transplanting in garden
Baptisia x variicolor 'Twilite'

*

This species needs special care as described.

7

Requires soaking. Place in warm water until seeds swell, usually 24-48 hours. Discard floaters and the water used for soaking. See https://youtu.be/dhL57pqnHHQ

A

Sow @ 20°C. Seed germinates within 3 months.
fresh seed does not require soaking, but stored seed should be soaked in boiling water until it cools; See http://www.gardenmyths.com/germination-of-baptisia-australis-seeds
Baptisia 'Lemon Meringue'

*

This species needs special care as described.

7

Requires soaking. Place in warm water until seeds swell, usually 24-48 hours. Discard floaters and the water used for soaking. See https://youtu.be/dhL57pqnHHQ

A

Sow @ 20°C. Seed germinates within 3 months.
subject to damping off; scarification leads to rotting; grow in pot for 1 year before transplanting in garden
Baptisia alba

*

This species needs special care as described.

7

Requires soaking. Place in warm water until seeds swell, usually 24-48 hours. Discard floaters and the water used for soaking. See https://youtu.be/dhL57pqnHHQ

A

Sow @ 20°C. Seed germinates within 3 months.
subject to damping off; scarification leads to rotting; grow in pot for 1 year
Baptisia australis

*

This species needs special care as described.

7

Requires soaking. Place in warm water until seeds swell, usually 24-48 hours. Discard floaters and the water used for soaking. See https://youtu.be/dhL57pqnHHQ

A

Sow @ 20°C. Seed germinates within 3 months.
subject to damping off; scarification leads to rotting; grow in pot for 1 year before transplanting in garden; see http://www.gardenmyths.com/growing-baptisia-australis-from-seeds and http://www.gardenmyths.com/growing-baptisia-australis-from-seeds/#more-
Baptisia lactea

A

Sow @ 20°C. Seed germinates within 3 months.

7

Requires soaking. Place in warm water until seeds swell, usually 24-48 hours. Discard floaters and the water used for soaking. See https://youtu.be/dhL57pqnHHQ
Baptisia leucantha

G

Sow @ 4°C for 3 months, then place @ 20°C for 3 months.

7

Requires soaking. Place in warm water until seeds swell, usually 24-48 hours. Discard floaters and the water used for soaking. See https://youtu.be/dhL57pqnHHQ

*

This species needs special care as described.
subject to damping off
Baptisia leucophaea

G

Sow @ 4°C for 3 months, then place @ 20°C for 3 months.

7

Requires soaking. Place in warm water until seeds swell, usually 24-48 hours. Discard floaters and the water used for soaking. See https://youtu.be/dhL57pqnHHQ

*

This species needs special care as described.
subject to damping off
Baptisia perfoliata

*

This species needs special care as described.

J

Sow @4°C for 3 weeks, then place @20°C.
subject to damping off; scarification leads to rotting; grow in pot for 1 year
Baptisia Prairieblues series

*

This species needs special care as described.

7

Requires soaking. Place in warm water until seeds swell, usually 24-48 hours. Discard floaters and the water used for soaking. See https://youtu.be/dhL57pqnHHQ

A

Sow @ 20°C. Seed germinates within 3 months.
subject to damping off; scarification leads to rotting; grow in pot for 1 year before transplanting in garden
Baptisia sp.

*

This species needs special care as described.

7

Requires soaking. Place in warm water until seeds swell, usually 24-48 hours. Discard floaters and the water used for soaking. See https://youtu.be/dhL57pqnHHQ

A

Sow @ 20°C. Seed germinates within 3 months.
fresh seed does not require soaking, but stored seed should be soaked in boiling water until it cools; See http://www.gardenmyths.com/germination-of-baptisia-australis-seeds
Baptisia tinctoria

*

This species needs special care as described.

6

Requires scarification. Nick or rub between sheets of sandpaper. See https://youtu.be/icB9HrqdQqU

7

Requires soaking. Place in warm water until seeds swell, usually 24-48 hours. Discard floaters and the water used for soaking. See https://youtu.be/dhL57pqnHHQ

A

Sow @ 20°C. Seed germinates within 3 months.
subject to damping off; scarification leads to rotting; grow in pot for 1 year
Baptisia × variicolor 'Twilite' (Prairieblues Series)

*

This species needs special care as described.

7

Requires soaking. Place in warm water until seeds swell, usually 24-48 hours. Discard floaters and the water used for soaking. See https://youtu.be/dhL57pqnHHQ

A

Sow @ 20°C. Seed germinates within 3 months.
subject to damping off; scarification leads to rotting; grow in pot for 1 year before transplanting in garden
Barnardia japonica

A

Sow @ 20°C. Seed germinates within 3 months.
Begonia grandis ssp. evansiana

A

Sow @ 20°C. Seed germinates within 3 months.
Begonia grandis

A

Sow @ 20°C. Seed germinates within 3 months.
Begonia grandis 'Alba'

A

Sow @ 20°C. Seed germinates within 3 months.
Begonia sp.

A

Sow @ 20°C. Seed germinates within 3 months.
Begonia sutherlandii

?

We have incomplete information on the germination of this species. Sometimes we offer an educated guess about which approach you could try. Let us know what is successful.

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...

A

Sow @ 20°C. Seed germinates within 3 months.
Belamcanda chinensis

A

Sow @ 20°C. Seed germinates within 3 months.

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...
outdoors in autumn
Belamcanda sp.

A

Sow @ 20°C. Seed germinates within 3 months.
Bellevalia trifoliata

H

Use repeated cycles of 4°C, then 20°C for 3 months each. Germination is very prolonged.
Bellevalia paradoxa

J

Sow @4°C for 3 weeks, then place @20°C.
Bellevalia species

?

We have incomplete information on the germination of this species. Sometimes we offer an educated guess about which approach you could try. Let us know what is successful.

L

Expose to fluctuating outdoor winter temperatures including freezing for 3 months. Gradually increase light and temperature in spring. See https://www.youtube.com/watch?v=SO_KKbGYTEM

Bellevalia forniculata

J

Sow @4°C for 3 weeks, then place @20°C.
Bellevalia hyacinthoides

J

Sow @4°C for 3 weeks, then place @20°C.

*

This species needs special care as described.
subject to damping off
Bellevalia pycnantha

J

Sow @4°C for 3 weeks, then place @20°C.
Bellevalia species

?

We have incomplete information on the germination of this species. Sometimes we offer an educated guess about which approach you could try. Let us know what is successful.

L

Expose to fluctuating outdoor winter temperatures including freezing for 3 months. Gradually increase light and temperature in spring. See https://www.youtube.com/watch?v=SO_KKbGYTEM

Bellis sp.

A

Sow @ 20°C. Seed germinates within 3 months.
Bellium bellidioides

A

Sow @ 20°C. Seed germinates within 3 months.
Berberis hybrid

*

This species needs special care as described.

8

Pulpy coat inhibits germination. Remove by soaking and rinsing in clean water daily for approximately 7 days. Discard water.

G

Sow @ 4°C for 3 months, then place @ 20°C for 3 months.

N

Sow directly in garden.
wash clean 14 days, plant 2 cm deep,
Berberis koreana

*

This species needs special care as described.

8

Pulpy coat inhibits germination. Remove by soaking and rinsing in clean water daily for approximately 7 days. Discard water.

F

Sow @ 4°C.
plant 2 cm deep, wash clean 14 days
Berberis koreana 'Red Tears'

*

This species needs special care as described.

8

Pulpy coat inhibits germination. Remove by soaking and rinsing in clean water daily for approximately 7 days. Discard water.

F

Sow @ 4°C.
wash clean 14 days, plant 2 cm deep
Berberis thunbergii

G

Sow @ 4°C for 3 months, then place @ 20°C for 3 months.

N

Sow directly in garden.

8

Pulpy coat inhibits germination. Remove by soaking and rinsing in clean water daily for approximately 7 days. Discard water.

*

This species needs special care as described.
plant 2 cm deep, wash clean 14 days
Berberis thunbergii 'Aurea'

G

Sow @ 4°C for 3 months, then place @ 20°C for 3 months.

N

Sow directly in garden.

8

Pulpy coat inhibits germination. Remove by soaking and rinsing in clean water daily for approximately 7 days. Discard water.

*

This species needs special care as described.
plant 2 cm deep, wash clean 14 days
Berberis thunbergii 'Gold Ring'

G

Sow @ 4°C for 3 months, then place @ 20°C for 3 months.

N

Sow directly in garden.

8

Pulpy coat inhibits germination. Remove by soaking and rinsing in clean water daily for approximately 7 days. Discard water.

*

This species needs special care as described.
plant 2 cm deep, wash clean 14 days
Berberis thunbergii f. atropurpurea 'Rose Glow'

*

This species needs special care as described.

8

Pulpy coat inhibits germination. Remove by soaking and rinsing in clean water daily for approximately 7 days. Discard water.

G

Sow @ 4°C for 3 months, then place @ 20°C for 3 months.

N

Sow directly in garden.
wash clean 14 days, plant 2 cm deep,
Berberis vulgaris

*

This species needs special care as described.

K

Sow @ 10°C. Most species for which we suggest this temperature will also germinate at 20°C, but prefer the cooler temperature for sturdy growth.
wash clean 14 days, plant 2 cm deep
Bergenia cordifolia

A

Sow @ 20°C. Seed germinates within 3 months.
Bergenia cordifolia 'Purpurea'

A

Sow @ 20°C. Seed germinates within 3 months.
Berkheya purpurea

A

Sow @ 20°C. Seed germinates within 3 months.
Berlandiera lyrata

A

Sow @ 20°C. Seed germinates within 3 months.
Besseya bullii

G

Sow @ 4°C for 3 months, then place @ 20°C for 3 months.

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...
germination enhanced by smoke
Betonica abchasica

A

Sow @ 20°C. Seed germinates within 3 months.
Betonica officinalis

J

Sow @4°C for 3 weeks, then place @20°C.
Betula utilis v. jacquemontii

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...

A

Sow @ 20°C. Seed germinates within 3 months.
Betula albosinensis

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...

G

Sow @ 4°C for 3 months, then place @ 20°C for 3 months.
Betula apoiensis

J

Sow @4°C for 3 weeks, then place @20°C.
Betula ermanii

A

Sow @ 20°C. Seed germinates within 3 months.

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...

*

This species needs special care as described.
protect well first winter
Betula glandulosa

G

Sow @ 4°C for 3 months, then place @ 20°C for 3 months.

4

Germination is improved by using GA3.
Betula jacquemontii

G

Sow @ 4°C for 3 months, then place @ 20°C for 3 months.

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...